Senior UI/UX Designer & Frontend Developer - London UX, UI 🏆

Senior UI/UX Designer & Frontend Developer - London 💰 Salary: £85,000 - 85,000 per year

At Smart Sourcer Limited we are looking for a UX, UI engineer!

🛠️ Our tech stack

AI, API, Azure, Backend, C#, Cloud, CSS, DevOps, Figma, Frontend, Support, JavaScript, Mobile, React, TypeScript, UX UI Design, ASP.NET, UI-UX-Designer

📝 Rquirements

• Strong UI/UX design experience for mobile and SaaS products, with a portfolio showcasing work for major brands.
• Expertise in Figma, Adobe tools, and wireframing/prototyping platforms such as Balsamiq.
• Advanced front-end engineering skills with React, JavaScript, TypeScript, HTML, CSS, comfortable owning complex UI builds.
• Experience working in cloud-based environments (Azure preferred) and modern DevOps/Agile teams.
• Understanding of responsive design, accessibility standards, and cross-browser behavior.
• Excellent communication skills and a collaborative mindset.
• Ability to work 30% onsite in London, 70% remote.

👩‍💻👨‍💻 Your responsibilities are

• Design and deliver intuitive, responsive interfaces for a global SaaS and mobile product with a strong emphasis on mobile-first UX.
• Build high-quality front-end components using React, JavaScript, TypeScript, HTML, and CSS within a .NET ecosystem.
• Collaborate closely with product managers, engineers, and legal SMEs to turn complex requirements into elegant, user-centered solutions.
• Run usability testing and iterate designs based on real feedback from legal professionals.
• Ensure consistency across platforms and champion accessibility (WCAG).
• Integrate with backend services (C#, Azure) and contribute to API-driven development, ideal for someone keen to expand their backend exposure.
• Maintain design systems, component libraries, and documentation to support scale and reuse.

View this job and over 500 other transparent jobs with salaries (💰💰💰) & tech stacks (🛠️) on DevITJobs.uk

Category: UX, UI Developer / Engineer

Location address: Endell Street 71-75, London, United Kingdom

Salary: £85,000 - 85,000 per year

Benefits & perks that we offer

Smart Sourcer Limited - More about us and the role:

We are a part of one of the worlds most respected legal brands, engaging in a rare opportunity to build a next-generation, AI-driven SaaS platform that will transform how global legal teams operate. Our organization is a genuine technology leader, heavily investing in automation, cloud-native engineering (Azure), and modern product delivery.

In this role, you will play a key part in shaping both the visual identity and user experience while building the front-end that brings our product to life. With a competitive salary of £75k-£85k, plus a 10% bonus and exceptional benefits, we offer a mature engineering culture and the chance to work on a flagship global product used by top-tier legal teams.

The position is hybrid, requiring 30% onsite in London and allows 70% remote work.

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